Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Kathleen B. Johnson, NP

Sees patients in Washington, DC · District of Columbia

Summary

Kathleen B. Johnson, NP (Nurse Practitioner) is enrolled with Medicare at 1 practice location in Washington, DC. NPI 1851390207. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Kathleen B. Johnson, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
31Years since medical school (graduated 1995)
University Of Southern California Keck School Of MedicineMedical school
FemaleGender (as listed)
MedStar Medical Group II LLCGroup practice

Quick answers

Where does Kathleen B. Johnson see patients?
Medicare's clinician data lists 1 practice location in Washington, DC. Call before your visit to confirm the address.
What is Kathleen B. Johnson's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Kathleen B. Johnson accept Medicare assignment?
Yes. Medicare's clinician data says Kathleen B. Johnson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Kathleen B. Johnson?
(202) 444-2000, as listed in official Medicare / NPI Registry data.
What is Kathleen B. Johnson's NPI number?
1851390207. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Kathleen B. Johnson is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Kathleen B. Johnson as a member of this group (CMS data updated 2026-10-02).

  • MedStar Medical Group II LLC3,767 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, District of Columbia →

Other nurse practitioners in Washington

Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.

All nurse practitioners in Washington →

Clinician information

CredentialNP
Medical schoolUniversity Of Southern California Keck School Of Medicine
Graduation year1995
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851390207
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians